W Economic sectors > W.10 Trade > W.10.05 Retail trade > Itinerant trade

B Business economics > B.07 Marketing > B.07.05 Distribution > Distance selling > Itinerant trade

W Economic sectors > W.10 Trade > W.10.05 Retail trade > Distance selling > Itinerant trade

B Business economics > B.05 Materials management and logistics > Distribution channel > Distance selling > Itinerant trade

... > B Business economics > B.07 Marketing > B.07.05 Distribution > Distribution channel > Distance selling > Itinerant trade